CN207974790U - A kind of anti-leak well head environment-protective sealing device - Google Patents
A kind of anti-leak well head environment-protective sealing device Download PDFInfo
- Publication number
- CN207974790U CN207974790U CN201820383028.1U CN201820383028U CN207974790U CN 207974790 U CN207974790 U CN 207974790U CN 201820383028 U CN201820383028 U CN 201820383028U CN 207974790 U CN207974790 U CN 207974790U
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- CN
- China
- Prior art keywords
- seal box
- airtight
- well head
- watertight padding
- filler
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model belongs to well head apparatus field, more particularly to a kind of anti-leak well head environment-protective sealing device, including seal box, oil pumping polish rod is interspersed in the center of seal box, it is provided with and holds down assembly at the top of the seal box inner space, the space between the bottom surface on the inside of the lower surface and seal box to hold down assembly is arranged in airtight and watertight padding in seal box, airtight and watertight padding is mixed by rubber grain and machine oil, the side of the seal box is provided with filler rifle, the axis of filler rifle is parallel with the axis of seal box, and force component is provided in filler rifle.The new packing that the utility model is mixed using rubber grain with machine oil, the airtight and watertight padding in seal box can be supplemented by rotation hand wheel, and airtight and watertight padding is without needing to change, patrol can not only be saved and replace the manpower needed for packing, and can ensure the continuous and effective of sealing in the case where sealing material is constantly worn, thoroughly well liquid is avoided to leak.
Description
Technical field
The utility model belongs to well head apparatus field more particularly to a kind of anti-leak well head environment-protective sealing device.
Background technology
In petroleum production engineering, pumping production is that a kind of most common DP technology needs when pumping unit works in well head
The oil pumping polish rod constantly to pump is sealed, to prevent the liquid in well from being flowed out around oil pumping polish rod
And pollute environment.In order to achieve the purpose that seal oil pumping polish rod, needs that seal box is arranged in well head, be provided with and be used in seal box
Seal the sealing element of oil pumping polish rod.In the prior art, usually using annular packing as the sealing element in seal box, packing abrasion
Afterwards, the packing for needing to open seal box more to renew.In actual use, the sealing part abrasion in seal box is very fast, needs often
It replaces, and replaces packing and need the shutdown that stops production, therefore replace packing and be affected to what is normally produced.Meanwhile frequent replacement
Packing can expend a large amount of manpower and materials, keep maintenance cost high.
Utility model content
The utility model provides a kind of anti-leak well head environment-protective sealing device, to solve mentioned above in the background art ask
Topic.
The technical issues of the utility model is solved is realized using following technical scheme：The utility model provides a kind of anti-
Well head environment-protective sealing device is leaked, including seal box, oil pumping polish rod are interspersed in the center of seal box, oil pumping polish rod and seal box side
Airtight and watertight padding is installed in the annular space between wall, is provided with and holds down assembly at the top of the seal box inner space, it is close
Airtight and watertight padding in jacket is arranged the space between the bottom surface on the inside of the lower surface and seal box to hold down assembly, airtight and watertight padding by
Rubber grain and machine oil mix, and the side of the seal box is provided with filler rifle, the axis of filler rifle and seal box
Axis is parallel, and force component is provided in filler rifle, and the structure for the component that exerts a force includes leading screw, top board, lower platen and spring, bullet
Spring is arranged between top board and lower platen, and the leading screw is mounted on the threaded hole at the top of filler rifle, the top board
It is moved downward under the squeezing action of leading screw, meanwhile, top board makes lower platen also move downward by spring pushing the back down force,
Inside filler rifle, lower platen is using down space as filling space, filling out in the filling space and filler rifle in the seal box
Be connected to by pipeline between material space, the spring altogether there are six, six springs be circumferentially evenly distributed on top board and under
Between pressing plate.
Each spring center is installed with guide post, and the lower end of guide post is fixedly connected on lower platen, guide post
Upper end pass through top board.Bottom is surveyed on the inside of the place of holding down assembly and seal box is each provided with a centering ring, centering ring
It is made of nylon material.It is provided with handwheel at the top of the leading screw.
The beneficial effects of the utility model are：
1, the new packing that the utility model is mixed using rubber grain with machine oil, can be to sealing by rotation hand wheel
Airtight and watertight padding in box is supplemented, and airtight and watertight padding can not only save patrol and replace the people needed for packing without needing to change
Power, and can ensure the continuous and effective of sealing in the case where sealing material is constantly worn, thoroughly well liquid is avoided to leak.
2, in the utility model, the axis direction of seal box and filler rifle is vertical direction so that the well head of the present apparatus
It is easily installed, while also can effectively reduce the probability for carrying out breaking filler rifle when the operation of other well heads.
3, the utility model uses spring compression mechanism in filler rifle, and the setting of spring makes airtight and watertight padding certain
Certain preload pressure is kept in range, so that also can not be in a certain range in seal box in the case of rotating threaded shaft
Airtight and watertight padding is supplemented, and the frequency of artificial supplementation airtight and watertight padding is reduced.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
In figure：1- oil pumping polish rods, 2- centering rings, 3- seal boxes, 4- airtight and watertight paddings, 5- hold down assembly, 6- leading screws, 7- hands
Wheel, 8- guide posts, 9- top boards, 10- springs, 11- lower platens, 12- filler rifles, 13- pipelines.
Specific implementation mode
The utility model is described further below in conjunction with attached drawing：
The present embodiment includes seal box 3, and oil pumping polish rod 1 is interspersed in the center of seal box 3,3 side of oil pumping polish rod 1 and seal box
Airtight and watertight padding 4 is installed in the annular space between wall.It is above universal architecture in the prior art, details are not described herein.
It is provided at the top of 3 inner space of seal box and holds down assembly 5, the setting of airtight and watertight padding 4 in seal box 3 exists
Hold down assembly 5 lower surface and the bottom surface of the inside of seal box 3 between space, airtight and watertight padding 4 mixes by rubber grain and machine oil
It forms, the side of the seal box 3 is provided with filler rifle 12, and force component is provided in filler rifle 12.The utility model is adopted
The novel gland packing 4 being mixed with rubber grain and machine oil, can be to the airtight and watertight padding 4 in seal box 3 by rotation hand wheel 7
It is supplemented, and airtight and watertight padding 4 can not only save patrol and replace the manpower needed for packing, and can be close without needing to change
The continuous and effective for ensureing sealing in the case of closure material constantly abrasion, thoroughly avoids well liquid from leaking.
There are six the spring 10 is total, six springs 10 are circumferentially evenly distributed between top board 9 and lower platen 11,
Spring 10 is circumferentially arranged and advantageously ensures that the uniform force of lower platen 11, lower platen 11 is stuck to ask to avoid the occurrence of
Topic.
The axis of filler rifle 12 is parallel with the axis of seal box 3, and the axis direction of seal box 3 and filler rifle 12 is vertical
Direction so that the well head of the present apparatus is easily installed, while also can effectively be reduced filler rifle 12 when carrying out the operation of other well heads
The probability broken.
The structure of force component includes leading screw 6, top board 9, lower platen 11 and spring 10, and spring 10 is arranged in top board 9
Between lower platen 11, the leading screw 6 is mounted on the threaded hole at 12 top of filler rifle, and the top board 9 is in leading screw 6
It is moved downward under squeezing action, meanwhile, top board 9 makes lower platen 11 also move downward by 10 pushing the back down 11 of spring force,
Inside filler rifle 12, lower platen 11 is using down space as filling space, the filling space in the seal box 3 and filler rifle 12
It is connected to by pipeline 13 between interior filling space,
The utility model uses spring compression mechanism in filler rifle 12, and the setting of spring 10 makes airtight and watertight padding 4 exist
Certain preload pressure is kept in a certain range, so that also can not be in a certain range to sealing in the case of rotating threaded shaft 6
Airtight and watertight padding 4 in box 3 is supplemented, and the frequency of artificial supplementation airtight and watertight padding 4 is reduced.
10 center of each spring is installed with guide post 8, and the lower end of guide post 8 is fixedly connected on lower platen 11,
The upper end of guide post 8 passes through top board 9.Guide post 8 can carry out righting to the relative motion between top board 9 and lower platen 11,
Ensure the compression face uniform force between airtight and watertight padding 4 and lower platen 11.
Described to hold down assembly at 5 and 3 inside of seal box surveys bottom and is each provided with a centering ring 2, centering ring 2 can be effective
The radial vibration for limiting oil pumping polish rod 1, to slow down the abrasion of airtight and watertight padding 4, and inhibits the eccentric wear of oil pumping polish rod 1.Centering ring 2
It is made of nylon material, wear-resisting property is good.
The top of the leading screw 6 is provided with handwheel 7, convenient for carrying out rotation process to leading screw.
Claims (4)
1. a kind of anti-leak well head environment-protective sealing device, including seal box (3), oil pumping polish rod (1) are interspersed in seal box (3)
It entreats, airtight and watertight padding (4) is installed in the annular space between oil pumping polish rod (1) and seal box (3) side wall, it is characterised in that：Institute
It is provided with hold down assembly (5) at the top of seal box (3) inner space stated, airtight and watertight padding (4) setting in seal box (3) is being pressed
The tightly space between the lower surface of component (5) and the bottom surface on the inside of seal box (3), airtight and watertight padding (4) is by rubber grain and machine oil
It mixes, the side of the seal box (3) is provided with filler rifle (12), axis and the seal box (3) of filler rifle (12)
Axis is parallel, and force component is provided in filler rifle (12), and the structure for the component that exerts a force includes leading screw (6), top board (9), pushes
Plate (11) and spring (10), spring (10) are arranged between top board (9) and lower platen (11), and the leading screw (6) is mounted on
On threaded hole at the top of filler rifle (12), the top board (9) moves downward under the squeezing action of leading screw (6), meanwhile, on
Pressing plate (9) makes lower platen (11) also move downward by spring (10) pushing the back down (11) force, internal in filler rifle (12), under
For pressing plate (11) using down space as filling space, the filler in the filling space and filler rifle (12) in the seal box (3) is empty
Between between by pipeline (13) be connected to, the spring (10) altogether there are six, six springs (10) are circumferentially evenly distributed on
Between pressing plate (9) and lower platen (11).
2. a kind of anti-leak well head environment-protective sealing device according to claim 1, it is characterised in that：Each spring
(10) center is installed with guide post (8), and the lower end of guide post (8) is fixedly connected on lower platen (11), the upper end of guide post (8)
Across top board (9).
3. a kind of anti-leak well head environment-protective sealing device according to claim 1, it is characterised in that：Described holds down assembly
(5) it surveys bottom at and on the inside of seal box (3) and is each provided with a centering ring (2), centering ring (2) is made of nylon material.
4. a kind of anti-leak well head environment-protective sealing device according to claim 1, it is characterised in that：The leading screw (6)
Top be provided with handwheel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820383028.1U CN207974790U (en) | 2018-03-21 | 2018-03-21 | A kind of anti-leak well head environment-protective sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820383028.1U CN207974790U (en) | 2018-03-21 | 2018-03-21 | A kind of anti-leak well head environment-protective sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207974790U true CN207974790U (en) | 2018-10-16 |
Family
ID=63764457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820383028.1U Active CN207974790U (en) | 2018-03-21 | 2018-03-21 | A kind of anti-leak well head environment-protective sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207974790U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107244A (en) * | 2019-04-25 | 2019-08-09 | 朱广海 | A kind of particle filled-in composite bellows packing |
| CN110439494A (en) * | 2019-09-24 | 2019-11-12 | 罗兰 | The response type drilling rod sealing structure and encapsulating method of sealing material can be filled in |
-
2018
- 2018-03-21 CN CN201820383028.1U patent/CN207974790U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107244A (en) * | 2019-04-25 | 2019-08-09 | 朱广海 | A kind of particle filled-in composite bellows packing |
| CN110107244B (en) * | 2019-04-25 | 2021-04-27 | 朱广海 | Crushed aggregates fills type combined material bag packing |
| CN110439494A (en) * | 2019-09-24 | 2019-11-12 | 罗兰 | The response type drilling rod sealing structure and encapsulating method of sealing material can be filled in |
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